Home / 13,011.34-19,522.58-4,127.39

Finding the Fourth Proportional to 13,011.34, 19,522.58 and 4,127.39

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Solution

The fourth proportional to 13,011.34, 19,522.58 and 4,127.39 is: 6,192.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,011.34 : 19,522.58 = 4,127.39 : x
  2. Step 2: Convert to fraction form
    13,011.34/19,522.58 = 4,127.39/x
  3. Step 3: Cross multiply
    13,011.34x = 19,522.58 × 4,127.39
  4. Step 4: Simplify right side
    13,011.34x = 80,577,329.64
  5. Step 5: Solve for x
    x = 80,577,329.64/13,011.34
  6. Step 6: Final answer
    x = 6,192.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.